METHODS FOR PREPARING HIGH-PURITY ARABINOSE CRYSTALS
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Aug 22, 2024
app pub date -
Apr 30, 2024
filing date -
Dec 17, 2022
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Abstract
Embodiments of the present disclosure provide a method for preparing a high-purity arabinose crystal, comprising operations of dissolving, blending, ion exchange, decolorization and filtration, fine filtration, evaporation and concentration, crystallization, centrifugation, and drying performed in sequence on a low-purity arabinose crystal. Throughout the operations of preparing the arabinose crystal, a pH value of a material may be controlled between 4.3 and 7.5, and a temperature may not exceed 70° C. This prevents arabinose from transforming into impurities under a high temperature, thereby maintaining and improving a purity of the prepared arabinose crystal.
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